Drug interactions
Fingolimod + Muromonab cd3
Severity: Major
Fingolimod and Muromonab cd3: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Muromonab-CD3 is a potent T-cell-depleting antibody, and fingolimod also lowers circulating lymphocyte counts. Their combination can produce profound immunosuppression with a high risk of serious and opportunistic infection.
What this interaction means in plain words
Fingolimod and Muromonab cd3 can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive pharmacodynamic immunosuppression through T-cell depletion and lymphocyte sequestration.
What to do
Avoid the combination where possible. If both are required, monitor lymphocyte counts and closely observe for opportunistic infections.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Fingolimod
- Adenovirus types 4 and 7 live + Fingolimod Contraindicated
- Bcg vaccine live + Fingolimod Contraindicated
- Fingolimod + Pimozide Contraindicated
- Fingolimod + Ponesimod Contraindicated
- Fingolimod + Quinidine Contraindicated
- Fingolimod + Siponimod Contraindicated
Frequently asked questions
Can I take Fingolimod with Muromonab cd3?
MediHelp rates the interaction as major. Fingolimod and Muromonab cd3 can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Muromonab-CD3 is a potent T-cell-depleting antibody, and fingolimod also lowers circulating lymphocyte counts. Their combination can produce profound immunosuppression with a high risk of serious and opportunistic infection.
How serious is the interaction between Fingolimod and Muromonab cd3?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible. If both are required, monitor lymphocyte counts and closely observe for opportunistic infections.
What other medicines interact with Fingolimod?
MediHelp also lists interactions of Fingolimod with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Pimozide. The full list is on the Fingolimod page.
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